F720 is a NIOSH N95 approved filtering facepiece respirator without valve. It is with very good performance of penetration and breathing resistance. It is with comfortable nose foam & adjustable nose bridge to provide good face fitting. Also, with elastic head strap for flexible wear.The F720 N95 respirator with a filtration efficiency of at least 95% against solid or liquid particles
that do not contain oil. It should not be used for gases, vapor s, oil aerosols or where concentrations of contaminants exceed OSHA or applicable safety and health standard’s maximum use concentrations, are unknown or immediately dangerous to life and health.